t.Errorf("Size: got %v, want %v", s, tt.size)
		}
		if b := h.BlockSize(); b != tt.blocksize {
			t.Errorf("BlockSize: got %v, want %v", b, tt.blocksize)
		}
		for j := 0; j < 4; j++ {
			n, err := h.Write(tt.in)
			if n != len(tt.in) || err != nil {
				t.Errorf("test %d.%d: Write(%d) = %d, %v", i, j, len(tt.in), n, err)
				continue
			}

			// Repetitive Sum() calls should return the same value

)

// blockPadding computes the number of bytes needed to pad offset up to the
// nearest block edge where 0 <= n < blockSize.
func blockPadding(offset int64) (n int64) {
	return -offset & (blockSize - 1)
}

var zeroBlock block

type block [blockSize]byte

// Convert block to any number of formats.
func (b *block) toV7() *headerV7       { return (*headerV7)(b) }

	}

	level := br.ReadBits(8)
	if level < '1' || level > '9' {
		return StructuralError("invalid compression level")
	}

	bz2.fileCRC = 0
	bz2.blockSize = 100 * 1000 * (level - '0')
	if bz2.blockSize > len(bz2.tt) {
		bz2.tt = make([]uint32, bz2.blockSize)
	}
	return nil
}

func (bz2 *reader) Read(buf []byte) (n int, err error) {
	if bz2.eof {
		return 0, io.EOF
	}

	if !bz2.setupDone {

}

type CryptoReportHash struct {
	Type       [64]int8
	Blocksize  uint32
	Digestsize uint32
}

type CryptoReportCipher struct {
	Type        [64]int8
	Blocksize   uint32
	Min_keysize uint32
	Max_keysize uint32
}

type CryptoReportBlkCipher struct {
	Type        [64]int8
	Geniv       [64]int8
	Blocksize   uint32
	Min_keysize uint32
	Max_keysize uint32
	Ivsize      uint32

}

type CryptoReportHash struct {
	Type       [64]int8
	Blocksize  uint32
	Digestsize uint32
}

type CryptoReportCipher struct {
	Type        [64]int8
	Blocksize   uint32
	Min_keysize uint32
	Max_keysize uint32
}

type CryptoReportBlkCipher struct {
	Type        [64]int8
	Geniv       [64]int8
	Blocksize   uint32
	Min_keysize uint32
	Max_keysize uint32
	Ivsize      uint32

}

type CryptoReportHash struct {
	Type       [64]int8
	Blocksize  uint32
	Digestsize uint32
}

type CryptoReportCipher struct {
	Type        [64]int8
	Blocksize   uint32
	Min_keysize uint32
	Max_keysize uint32
}

type CryptoReportBlkCipher struct {
	Type        [64]int8
	Geniv       [64]int8
	Blocksize   uint32
	Min_keysize uint32
	Max_keysize uint32
	Ivsize      uint32

	}

	if cipher, ok := cipher.(gcmAble); ok {
		return cipher.NewGCM(nonceSize, tagSize)
	}

	if cipher.BlockSize() != gcmBlockSize {
		return nil, errors.New("cipher: NewGCM requires 128-bit block cipher")
	}

	var key [gcmBlockSize]byte
	cipher.Encrypt(key[:], key[:])

}

type CryptoReportHash struct {
	Type       [64]int8
	Blocksize  uint32
	Digestsize uint32
}

type CryptoReportCipher struct {
	Type        [64]int8
	Blocksize   uint32
	Min_keysize uint32
	Max_keysize uint32
}

type CryptoReportBlkCipher struct {
	Type        [64]int8
	Geniv       [64]int8
	Blocksize   uint32
	Min_keysize uint32
	Max_keysize uint32
	Ivsize      uint32

}

type CryptoReportHash struct {
	Type       [64]int8
	Blocksize  uint32
	Digestsize uint32
}

type CryptoReportCipher struct {
	Type        [64]int8
	Blocksize   uint32
	Min_keysize uint32
	Max_keysize uint32
}

type CryptoReportBlkCipher struct {
	Type        [64]int8
	Geniv       [64]int8
	Blocksize   uint32
	Min_keysize uint32
	Max_keysize uint32
	Ivsize      uint32

}

type CryptoReportHash struct {
	Type       [64]uint8
	Blocksize  uint32
	Digestsize uint32
}

type CryptoReportCipher struct {
	Type        [64]uint8
	Blocksize   uint32
	Min_keysize uint32
	Max_keysize uint32
}

type CryptoReportBlkCipher struct {
	Type        [64]uint8
	Geniv       [64]uint8
	Blocksize   uint32
	Min_keysize uint32
	Max_keysize uint32
	Ivsize      uint32